<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%if(null == session.getAttribute("USERNAME")){
    out.println("<script language='javascript'>alert('您的账户已经过期，请重新登录!');window.location='/WebStoreSSM/login.jsp';</script>");
    return;
}%>
